MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '0' for key 'uid'
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='ccdab8886be3f3946de2daf76343d0d0',`time`='1710831277',`ip`='54.227.136.157',`location`='/showthread.php?tid=9&page=2',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'